Mercury salt of para-aminophenylarsinic acid.



WILHELM GRuTTEFIEN, or vonwr BENFABRIKEN VORMJ rnmnn.

TION OF G 1%. erases.

ERMANY.

r p OPNYLARSWKG ACID.

fipecification of Letters Patent.

Patented time a, race.

Application filed November 19, 1908. :Berial No. 463,471.

To all whom it may concern:

Be it known that l, WILHELM Gnii'r'rnrmu, doctor of of the German Em 5 winkel, near Elberfe d,

philosophy, chemist, citizen ire, residing at-Voh- Germany, have in- 1 mercuric salt acid which may be of para-aminophenylarsmic obtained b treating paraaminophenylarsinic acid wit mercuric salts.

ment being em 5 distinguished mercury at the same time.

The new compound may This com ound is a valuable medicaoyed like atoxyl and being y containing arsenic and be obtained, for

instance as follows: To a warm solution of 12 parts of the phenylarsinic solutlon of 6 parts water is added. The precipitated parts of sodium salt of para-ammoacid-m 100 parts of water a of mercuric chlorid in 120 mercuric salt is filtered ofi washed with water, alcohol, e

ther and dried at a moderate it is a white powder containing about per cent. of mercury. It is almost insoluble in water, insoluble in alcohol and ether. Yellow mercuric oxid being split ofi by treating it with caustic soda lye.

Having now described my invention, what I claim is v The herein-described new mercuric salt of araaminophenylarsinic acid obtainable rom para-aminophenylarsinic acid and mercuric chlorid, which is a white powder almost insoluble in water, insoluble in alcohol and ether, yellow mercuric OXid being split ofi by treatment with caustic soda lye; and being a valuable thera eutic compound, sub. stantially as describe In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

OTTO Koala, WALTER Ermine.

temperature. 

